How to Create a New Active Sudo User in Ubuntu

Introduction

When administering a server, sometimes you want to allow users to run commands as “root,” an administrator-level user. Command sudo It provides system administrators with a way to grant administrator privileges – normally only available to the root user – to regular users.

In this tutorial, you will learn how to create a new user with access sudo In Ubuntu, no need to change the file. /etc/sudoers Create your own server.

Step 1 – Log in to the server

SSH into your server as the root user:

ssh root@your_server_ip_address

Step 2 – Add the new Sudo user to the system

From the order adduser To add a new user to your system, use:

adduser sammy

Make sure to replace the username you want to create. Sammy You will be prompted to create and confirm a password for the user:

Output
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully

Next, you will be asked to enter information about the new user. It is fine to accept the defaults and leave this information blank:

Output
Changing the user information for sammy
Enter the new value, or press ENTER for the default
Full Name []:
Room Number []:
Work Phone []:
Home Phone []:
Other []:
Is the information correct? [Y/n]

Step 3 – Add the user to the sudo group

From the order usermod To add a user to the sudo group, use:

usermod -aG sudo sammy

Again, make sure to replace the username you just added. Sammy By default in Ubuntu, all members of the sudo group have full sudo privileges.

Step 4 – Test sudo access

To test whether the new sudo permissions are working, first use the command su Use to switch to the new account:

su - sammy

As a new user, you can run the command with privileges by adding sudo to it. superuser Run, verify that you can use sudo:

sudo command_to_run

For example, you can view the contents of the directory root/ List which is usually only accessible to the root user:

sudo ls -la /root

The first time since sudo You will be prompted for the password for that user's account. Enter the password to continue:

Output:
[sudo] password for sammy:

If your user is in the right group and you entered the password correctly, the command with sudo You have exported it and it will run with root access.